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Old 05-08-2014, 12:51 PM   #1
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Default Spiral Shells Without a Bandsaw

Hello

My latest project is to build a spiral shell using the process published by Steve Garrison in his e-book. However, the first problem I encountered was cutting 4" wedges without a band saw. So, I built a jig for the table saw and cut 10 wedges from 3/4 inch stock at 55mm high (max for saw) and then glued them together to get approximately a required 4" wedge width (see pic).

My plan is to cut from the thick end of the wedge using an angle of 14 degrees on the scroll saw table.

A relatively low cost experiment but in the process my workbench got kind of "messy" LOL.

I'll update progress, good or bad over the next few days.

Best regards

Jack O'wheelie
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Old 05-09-2014, 11:49 AM   #2
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Very interesting solution .... please do keep us posted.
Thanks for sharing.
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Old 05-09-2014, 01:44 PM   #3
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Default Got Sidetracked Today

Got sidetracked today. So, no progress on the shell experiment. In fact the wedges could do with another day to cure.

I've been working on another idea (it's been done before, I didn't invent it and it's not copyright by anyone) with bowls and pattern transfer using an ink jet printer. It's not bad, but I can do better!

Hopefully, tomorrow I'll sand the wedges flat, number them and start cutting... it maybe sad to some people but I'm excited and curious as to what may happen.

Best regards

Jack O'wheelie
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File Type: jpg full bowl old lady in 3 bits.jpg (59.7 KB, 42 views)
File Type: jpg full bowl old lady in 2 bits.jpg (61.9 KB, 44 views)
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Old 05-10-2014, 01:12 PM   #4
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Default Pieces Cut & Part Glued

Well things didn't go as expected with the shell experiment. I've ended up with a reverse shell shape and using two angles on the wedge face just opens up joint gaps.

I had planned to use a table angle of 14 degrees but at the last minute changed it to 23 degrees. Given the low angles of the wedges combined with a steep sloping cutting table and cutting from the thick end of the wedge gave me the reverse shell shape with joint gaps!

Not a total waste of time and I've learned a lot and it cost me nothing for the experience.

I'll continue with the experiment and post the final result.

Best regards
Jack O'wheelie
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File Type: jpg half cut.jpg (65.4 KB, 28 views)
File Type: jpg full cut.jpg (63.9 KB, 28 views)
File Type: jpg part glued.jpg (57.1 KB, 31 views)
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Old 05-11-2014, 01:15 PM   #5
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This is not following the process published by Steve Garrison in his e-book. This is an experiment for my own curiosity.

Strewth

Jack O'wheelie

Last edited by jackwheeliebin; 05-11-2014 at 01:17 PM. Reason: wrong word spelt rightly!
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Old 05-11-2014, 01:51 PM   #6
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we are learning with you.
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